Table 1 Patient characteristics stratified by study group
From: A comparison of three dose timings of methylprednisolone in infant cardiopulmonary bypass
Variable | Ultra-early group (n = 18) | Early group (n = 17) | Standard group (n = 19) |
|---|---|---|---|
Males (%) | 10 (56) | 12 (71) | 12 (63) |
Age (months) | |||
Mean (SD) | 0.76 (0.86) | 1.29 (2.44) | 2.46 (3.68) |
Median (IQR) | 0.47 (0.26–0.91) | 0.33 (0.27–1.00) | 1.00 (0.27–3.97) |
Height (cm, mean, SD) | 51.9 (3.12) | 52.4 (7.68) | 55.9 (10.46) |
Pre-surgical weight (kg) | |||
Mean (SD) | 3.73 (0.84) | 3.65 (1.30) | 4.60 (2.27) |
Median (IQR) | 3.52 (3.16–3.96) | 3.29 (2.94–3.89) | 3.96 (3.58–5.02) |
Z score (mean) | |||
Weight for length (SD) | -0.31 (1.60) | -0.71 (2.01) | -0.57 (2.05) |
Weight for age (SD) | -0.72 (1.51) | -1.15 (1.29) | -1.53 (2.27) |
Cyanosis | 13 (72%) | 12 (71%) | 12 (63%) |
Lesion (%) | |||
Tetralogy of Fallot | 3 (17) | 5 (29) | 7 (37) |
Transposition of great arteries | 8 (44) | 7 (41) | 4 (21) |
Ventricular septal defect | 0 | 0 | 1 (5) |
Atrioventricular canal | 2 (11) | 1 (6) | 2 (11) |
Hypoplastic Aorta | 0 | 2 (12) | 0 |
Other | 5 (28) | 2 (12) | 5 (26) |
RACHS (mean, SD) | 3.00 (0.49) | 3.06 (0.56) | 2.53 (0.61) |
SatO 2 RA (%, mean, SD) | 85.6 (8.29) | 81.9 (13.18) | 89.4 (8.76) |
CPB time (min) | |||
Mean (SD) | 231 (234) | 256 (386) | 155.4 (81) |
Median (IQR) | 169 (136–221) | 172 (146–202) | 133.0 (108–159) |
Aortic cross-clamp time (min) | |||
Mean (SD) | 98 (36) | 97 (30) | 81 (36) |
Median (IQR) | 88 (75–123) | 97 (86–108) | 75 (52–90) |
Nasopharyngeal temperature (°C, mean, SD) | 22.4 (3.47) | 20.5 (2.93) | 23.8 (3.78) |
Open chest (%) | 10 (56%) | 10 (59%) | 4 (26%) |